The neglected negative set.

1 January 1974

journal article
Published by American Psychological Association (APA) in Journal of Experimental Psychology

Vol. 103 (5) , 1019-1026
https://doi.org/10.1037/h0037384

Abstract

Studied 18 Ss to investigate the effect of the negative set on the form of the functional relationship between RT and positive set size. Random forms were used as stimuli in S. Sternberg's (see record) memory scanning paradigm, and the type of negative set was varied. A linear function relating RT and positive set size was obtained using the Sternberg-type (complementary) negative set; a log function was obtained using the G. Briggs- and J. Swanson-type (fixed) negative set; a flat function was obtained when unfamiliar items comprised an unknown negative set. These data support the hypothesis that dual classification processes operate under certain conditions in stimulus classification. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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